| /Linux-v6.1/drivers/media/platform/nvidia/tegra-vde/ |
| D | iommu.c | 21 struct iova **iovap, in tegra_vde_iommu_map()
24 struct iova *iova; in tegra_vde_iommu_map() local
30 size = iova_align(&vde->iova, size); in tegra_vde_iommu_map()
31 shift = iova_shift(&vde->iova); in tegra_vde_iommu_map()
33 iova = alloc_iova(&vde->iova, size >> shift, end >> shift, true); in tegra_vde_iommu_map()
34 if (!iova) in tegra_vde_iommu_map()
37 addr = iova_dma_addr(&vde->iova, iova); in tegra_vde_iommu_map()
42 __free_iova(&vde->iova, iova); in tegra_vde_iommu_map()
46 *iovap = iova; in tegra_vde_iommu_map()
51 void tegra_vde_iommu_unmap(struct tegra_vde *vde, struct iova *iova) in tegra_vde_iommu_unmap() argument
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| D | dmabuf-cache.c | 28 struct iova *iova; member
39 tegra_vde_iommu_unmap(entry->vde, entry->iova); in tegra_vde_release_entry()
73 struct iova *iova; in tegra_vde_dmabuf_cache_map() local
91 *addrp = iova_dma_addr(&vde->iova, entry->iova); in tegra_vde_dmabuf_cache_map()
125 err = tegra_vde_iommu_map(vde, sgt, &iova, dmabuf->size); in tegra_vde_dmabuf_cache_map()
129 *addrp = iova_dma_addr(&vde->iova, iova); in tegra_vde_dmabuf_cache_map()
132 iova = NULL; in tegra_vde_dmabuf_cache_map()
139 entry->iova = iova; in tegra_vde_dmabuf_cache_map()
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| /Linux-v6.1/drivers/iommu/ |
| D | iova.c | 46 static struct iova *to_iova(struct rb_node *node) in to_iova()
48 return rb_entry(node, struct iova, node); in to_iova()
86 __cached_rbnode_insert_update(struct iova_domain *iovad, struct iova *new) in __cached_rbnode_insert_update()
95 __cached_rbnode_delete_update(struct iova_domain *iovad, struct iova *free) in __cached_rbnode_delete_update()
97 struct iova *cached_iova; in __cached_rbnode_delete_update()
152 iova_insert_rbtree(struct rb_root *root, struct iova *iova, in iova_insert_rbtree() argument
160 struct iova *this = to_iova(*new); in iova_insert_rbtree()
164 if (iova->pfn_lo < this->pfn_lo) in iova_insert_rbtree()
166 else if (iova->pfn_lo > this->pfn_lo) in iova_insert_rbtree()
174 rb_link_node(&iova->node, parent, new); in iova_insert_rbtree()
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| D | tegra-gart.c | 60 #define for_each_gart_pte(gart, iova) \ argument
61 for (iova = gart->iovmm_base; \
62 iova < gart->iovmm_end; \
63 iova += GART_PAGE_SIZE)
66 unsigned long iova, unsigned long pte) in gart_set_pte() argument
68 writel_relaxed(iova, gart->regs + GART_ENTRY_ADDR); in gart_set_pte()
73 unsigned long iova) in gart_read_pte() argument
77 writel_relaxed(iova, gart->regs + GART_ENTRY_ADDR); in gart_read_pte()
85 unsigned long iova; in do_gart_setup() local
87 for_each_gart_pte(gart, iova) in do_gart_setup()
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| D | io-pgtable-arm-v7s.c | 432 unsigned long iova, phys_addr_t paddr, int prot, in arm_v7s_init_pte() argument
448 tblp = ptep - ARM_V7S_LVL_IDX(iova, lvl, cfg); in arm_v7s_init_pte()
449 if (WARN_ON(__arm_v7s_unmap(data, NULL, iova + i * sz, in arm_v7s_init_pte()
497 static int __arm_v7s_map(struct arm_v7s_io_pgtable *data, unsigned long iova, in __arm_v7s_map() argument
506 ptep += ARM_V7S_LVL_IDX(iova, lvl, cfg); in __arm_v7s_map()
510 return arm_v7s_init_pte(data, iova, paddr, prot, in __arm_v7s_map()
541 return __arm_v7s_map(data, iova, paddr, size, prot, lvl + 1, cptep, gfp); in __arm_v7s_map()
544 static int arm_v7s_map_pages(struct io_pgtable_ops *ops, unsigned long iova, in arm_v7s_map_pages() argument
551 if (WARN_ON(iova >= (1ULL << data->iop.cfg.ias) || in arm_v7s_map_pages()
560 ret = __arm_v7s_map(data, iova, paddr, pgsize, prot, 1, data->pgd, in arm_v7s_map_pages()
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| D | io-pgtable-dart.c | 124 unsigned long iova, phys_addr_t paddr, in dart_init_pte() argument
173 static int dart_get_table(struct dart_io_pgtable *data, unsigned long iova) in dart_get_table() argument
175 return (iova >> (3 * data->bits_per_level + ilog2(sizeof(dart_iopte)))) & in dart_get_table()
179 static int dart_get_l1_index(struct dart_io_pgtable *data, unsigned long iova) in dart_get_l1_index() argument
182 return (iova >> (2 * data->bits_per_level + ilog2(sizeof(dart_iopte)))) & in dart_get_l1_index()
186 static int dart_get_l2_index(struct dart_io_pgtable *data, unsigned long iova) in dart_get_l2_index() argument
189 return (iova >> (data->bits_per_level + ilog2(sizeof(dart_iopte)))) & in dart_get_l2_index()
193 static dart_iopte *dart_get_l2(struct dart_io_pgtable *data, unsigned long iova) in dart_get_l2() argument
196 int tbl = dart_get_table(data, iova); in dart_get_l2()
202 ptep += dart_get_l1_index(data, iova); in dart_get_l2()
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| D | exynos-iommu.c | 97 #define section_offs(iova) (iova & (SECT_SIZE - 1)) argument
99 #define lpage_offs(iova) (iova & (LPAGE_SIZE - 1)) argument
101 #define spage_offs(iova) (iova & (SPAGE_SIZE - 1)) argument
106 static u32 lv1ent_offset(sysmmu_iova_t iova) in lv1ent_offset() argument
108 return iova >> SECT_ORDER; in lv1ent_offset()
111 static u32 lv2ent_offset(sysmmu_iova_t iova) in lv2ent_offset() argument
113 return (iova >> SPAGE_ORDER) & (NUM_LV2ENTRIES - 1); in lv2ent_offset()
177 static sysmmu_pte_t *section_entry(sysmmu_pte_t *pgtable, sysmmu_iova_t iova) in section_entry() argument
179 return pgtable + lv1ent_offset(iova); in section_entry()
182 static sysmmu_pte_t *page_entry(sysmmu_pte_t *sent, sysmmu_iova_t iova) in page_entry() argument
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| D | io-pgtable-arm.c | 255 unsigned long iova, size_t size, size_t pgcount,
280 unsigned long iova, phys_addr_t paddr, in arm_lpae_init_pte() argument
299 tblp = ptep - ARM_LPAE_LVL_IDX(iova, lvl, data); in arm_lpae_init_pte()
300 if (__arm_lpae_unmap(data, NULL, iova + i * sz, sz, 1, in arm_lpae_init_pte()
343 static int __arm_lpae_map(struct arm_lpae_io_pgtable *data, unsigned long iova, in __arm_lpae_map() argument
355 map_idx_start = ARM_LPAE_LVL_IDX(iova, lvl, data); in __arm_lpae_map()
362 ret = arm_lpae_init_pte(data, iova, paddr, prot, lvl, num_entries, ptep); in __arm_lpae_map()
396 return __arm_lpae_map(data, iova, paddr, size, pgcount, prot, lvl + 1, in __arm_lpae_map()
464 static int arm_lpae_map_pages(struct io_pgtable_ops *ops, unsigned long iova, in arm_lpae_map_pages() argument
473 long iaext = (s64)iova >> cfg->ias; in arm_lpae_map_pages()
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| D | virtio-iommu.c | 58 struct interval_tree_node iova; member
313 static int viommu_add_mapping(struct viommu_domain *vdomain, u64 iova, u64 end, in viommu_add_mapping() argument
324 mapping->iova.start = iova; in viommu_add_mapping()
325 mapping->iova.last = end; in viommu_add_mapping()
329 interval_tree_insert(&mapping->iova, &vdomain->mappings); in viommu_add_mapping()
345 u64 iova, u64 end) in viommu_del_mappings() argument
353 next = interval_tree_iter_first(&vdomain->mappings, iova, end); in viommu_del_mappings()
356 mapping = container_of(node, struct viommu_mapping, iova); in viommu_del_mappings()
357 next = interval_tree_iter_next(node, iova, end); in viommu_del_mappings()
360 if (mapping->iova.start < iova) in viommu_del_mappings()
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| D | tegra-smmu.c | 156 static unsigned int iova_pd_index(unsigned long iova) in iova_pd_index() argument
158 return (iova >> SMMU_PDE_SHIFT) & (SMMU_NUM_PDE - 1); in iova_pd_index()
161 static unsigned int iova_pt_index(unsigned long iova) in iova_pt_index() argument
163 return (iova >> SMMU_PTE_SHIFT) & (SMMU_NUM_PTE - 1); in iova_pt_index()
223 unsigned long iova) in smmu_flush_tlb_section() argument
232 value |= SMMU_TLB_FLUSH_ASID_MATCH | SMMU_TLB_FLUSH_VA_SECTION(iova); in smmu_flush_tlb_section()
238 unsigned long iova) in smmu_flush_tlb_group() argument
247 value |= SMMU_TLB_FLUSH_ASID_MATCH | SMMU_TLB_FLUSH_VA_GROUP(iova); in smmu_flush_tlb_group()
530 static void tegra_smmu_set_pde(struct tegra_smmu_as *as, unsigned long iova, in tegra_smmu_set_pde() argument
533 unsigned int pd_index = iova_pd_index(iova); in tegra_smmu_set_pde()
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| D | rockchip-iommu.c | 322 static u32 rk_iova_dte_index(dma_addr_t iova) in rk_iova_dte_index() argument
324 return (u32)(iova & RK_IOVA_DTE_MASK) >> RK_IOVA_DTE_SHIFT; in rk_iova_dte_index()
327 static u32 rk_iova_pte_index(dma_addr_t iova) in rk_iova_pte_index() argument
329 return (u32)(iova & RK_IOVA_PTE_MASK) >> RK_IOVA_PTE_SHIFT; in rk_iova_pte_index()
332 static u32 rk_iova_page_offset(dma_addr_t iova) in rk_iova_page_offset() argument
334 return (u32)(iova & RK_IOVA_PAGE_MASK) >> RK_IOVA_PAGE_SHIFT; in rk_iova_page_offset()
369 dma_addr_t iova; in rk_iommu_zap_lines() local
371 for (iova = iova_start; iova < iova_end; iova += SPAGE_SIZE) in rk_iommu_zap_lines()
372 rk_iommu_write(iommu->bases[i], RK_MMU_ZAP_ONE_LINE, iova); in rk_iommu_zap_lines()
562 static void log_iova(struct rk_iommu *iommu, int index, dma_addr_t iova) in log_iova() argument
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| D | sun50i-iommu.c | 162 static u32 sun50i_iova_get_dte_index(dma_addr_t iova) in sun50i_iova_get_dte_index() argument
164 return FIELD_GET(SUN50I_IOVA_DTE_MASK, iova); in sun50i_iova_get_dte_index()
167 static u32 sun50i_iova_get_pte_index(dma_addr_t iova) in sun50i_iova_get_pte_index() argument
169 return FIELD_GET(SUN50I_IOVA_PTE_MASK, iova); in sun50i_iova_get_pte_index()
172 static u32 sun50i_iova_get_page_offset(dma_addr_t iova) in sun50i_iova_get_page_offset() argument
174 return FIELD_GET(SUN50I_IOVA_PAGE_MASK, iova); in sun50i_iova_get_page_offset()
482 dma_addr_t iova, gfp_t gfp) in sun50i_dte_get_page_table() argument
490 dte_addr = &sun50i_domain->dt[sun50i_iova_get_dte_index(iova)]; in sun50i_dte_get_page_table()
520 static int sun50i_iommu_map(struct iommu_domain *domain, unsigned long iova, in sun50i_iommu_map() argument
529 page_table = sun50i_dte_get_page_table(sun50i_domain, iova, gfp); in sun50i_iommu_map()
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| /Linux-v6.1/include/linux/ |
| D | iova.h | 18 struct iova { struct
37 struct iova anchor; /* rbtree lookup anchor */
43 static inline unsigned long iova_size(struct iova *iova) in iova_size() argument
45 return iova->pfn_hi - iova->pfn_lo + 1; in iova_size()
58 static inline size_t iova_offset(struct iova_domain *iovad, dma_addr_t iova) in iova_offset() argument
60 return iova & iova_mask(iovad); in iova_offset()
68 static inline dma_addr_t iova_dma_addr(struct iova_domain *iovad, struct iova *iova) in iova_dma_addr() argument
70 return (dma_addr_t)iova->pfn_lo << iova_shift(iovad); in iova_dma_addr()
73 static inline unsigned long iova_pfn(struct iova_domain *iovad, dma_addr_t iova) in iova_pfn() argument
75 return iova >> iova_shift(iovad); in iova_pfn()
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| D | iommu.h | 291 int (*map)(struct iommu_domain *domain, unsigned long iova,
293 int (*map_pages)(struct iommu_domain *domain, unsigned long iova,
296 size_t (*unmap)(struct iommu_domain *domain, unsigned long iova,
298 size_t (*unmap_pages)(struct iommu_domain *domain, unsigned long iova,
303 void (*iotlb_sync_map)(struct iommu_domain *domain, unsigned long iova,
309 dma_addr_t iova);
433 extern int iommu_map(struct iommu_domain *domain, unsigned long iova,
435 extern int iommu_map_atomic(struct iommu_domain *domain, unsigned long iova,
437 extern size_t iommu_unmap(struct iommu_domain *domain, unsigned long iova,
440 unsigned long iova, size_t size,
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| D | io-pgtable.h | 43 void (*tlb_flush_walk)(unsigned long iova, size_t size, size_t granule,
46 unsigned long iova, size_t granule, void *cookie);
163 int (*map)(struct io_pgtable_ops *ops, unsigned long iova,
165 int (*map_pages)(struct io_pgtable_ops *ops, unsigned long iova,
168 size_t (*unmap)(struct io_pgtable_ops *ops, unsigned long iova,
170 size_t (*unmap_pages)(struct io_pgtable_ops *ops, unsigned long iova,
174 unsigned long iova);
230 io_pgtable_tlb_flush_walk(struct io_pgtable *iop, unsigned long iova, in io_pgtable_tlb_flush_walk() argument
234 iop->cfg.tlb->tlb_flush_walk(iova, size, granule, iop->cookie); in io_pgtable_tlb_flush_walk()
239 struct iommu_iotlb_gather * gather, unsigned long iova, in io_pgtable_tlb_add_page() argument
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| /Linux-v6.1/drivers/fpga/ |
| D | dfl-afu-dma-region.c | 125 u64 iova, u64 size) in dma_region_check_iova() argument
127 if (!size && region->iova != iova) in dma_region_check_iova()
130 return (region->iova <= iova) && in dma_region_check_iova()
131 (region->length + region->iova >= iova + size); in dma_region_check_iova()
150 (unsigned long long)region->iova); in afu_dma_region_add()
161 if (dma_region_check_iova(this, region->iova, region->length)) in afu_dma_region_add()
164 if (region->iova < this->iova) in afu_dma_region_add()
166 else if (region->iova > this->iova) in afu_dma_region_add()
191 (unsigned long long)region->iova); in afu_dma_region_remove()
213 (unsigned long long)region->iova); in afu_dma_region_destroy()
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| /Linux-v6.1/include/trace/events/ |
| D | iommu.h | 88 TP_PROTO(unsigned long iova, phys_addr_t paddr, size_t size),
90 TP_ARGS(iova, paddr, size),
93 __field(u64, iova)
99 __entry->iova = iova;
105 __entry->iova, __entry->iova + __entry->size, __entry->paddr,
112 TP_PROTO(unsigned long iova, size_t size, size_t unmapped_size),
114 TP_ARGS(iova, size, unmapped_size),
117 __field(u64, iova)
123 __entry->iova = iova;
129 __entry->iova, __entry->iova + __entry->size,
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| /Linux-v6.1/drivers/staging/media/ipu3/ |
| D | ipu3-dmamap.c | 102 struct iova *iova; in imgu_dmamap_alloc() local
107 iova = alloc_iova(&imgu->iova_domain, size >> shift, in imgu_dmamap_alloc()
109 if (!iova) in imgu_dmamap_alloc()
117 iovaddr = iova_dma_addr(&imgu->iova_domain, iova); in imgu_dmamap_alloc()
133 map->daddr = iova_dma_addr(&imgu->iova_domain, iova); in imgu_dmamap_alloc()
142 imgu_mmu_unmap(imgu->mmu, iova_dma_addr(&imgu->iova_domain, iova), in imgu_dmamap_alloc()
146 __free_iova(&imgu->iova_domain, iova); in imgu_dmamap_alloc()
153 struct iova *iova; in imgu_dmamap_unmap() local
155 iova = find_iova(&imgu->iova_domain, in imgu_dmamap_unmap()
157 if (WARN_ON(!iova)) in imgu_dmamap_unmap()
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| D | ipu3-mmu.c | 154 static inline void address_to_pte_idx(unsigned long iova, u32 *l1pt_idx, in address_to_pte_idx() argument
157 iova >>= IPU3_PAGE_SHIFT; in address_to_pte_idx()
160 *l2pt_idx = iova & IPU3_L2PT_MASK; in address_to_pte_idx()
162 iova >>= IPU3_L2PT_SHIFT; in address_to_pte_idx()
165 *l1pt_idx = iova & IPU3_L1PT_MASK; in address_to_pte_idx()
210 static int __imgu_mmu_map(struct imgu_mmu *mmu, unsigned long iova, in __imgu_mmu_map() argument
220 address_to_pte_idx(iova, &l1pt_idx, &l2pt_idx); in __imgu_mmu_map()
251 int imgu_mmu_map(struct imgu_mmu_info *info, unsigned long iova, in imgu_mmu_map() argument
262 if (!IS_ALIGNED(iova | paddr | size, IPU3_PAGE_SIZE)) { in imgu_mmu_map()
264 iova, &paddr, size); in imgu_mmu_map()
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| /Linux-v6.1/drivers/vfio/ |
| D | vfio_iommu_type1.c | 93 dma_addr_t iova; /* Device address */ member
130 dma_addr_t iova; /* Device address */ member
137 dma_addr_t iova; member
176 if (start + size <= dma->iova) in vfio_find_dma()
178 else if (start >= dma->iova + dma->size) in vfio_find_dma()
197 if (start < dma->iova + dma->size) { in vfio_find_dma_first_node()
200 if (start >= dma->iova) in vfio_find_dma_first_node()
207 if (res && size && dma_res->iova >= start + size) in vfio_find_dma_first_node()
221 if (new->iova + new->size <= dma->iova) in vfio_link_dma()
271 bitmap_set(dma->bitmap, (vpfn->iova - dma->iova) >> pgshift, 1); in vfio_dma_populate_bitmap()
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| D | iova_bitmap.c | 35 unsigned long iova; member
111 unsigned long iova; member
127 unsigned long iova) in iova_bitmap_offset_to_index()
131 return iova / (BITS_PER_TYPE(*bitmap->bitmap) * pgsize); in iova_bitmap_offset_to_index()
152 return bitmap->iova + iova_bitmap_index_to_offset(bitmap, skip); in iova_bitmap_mapped_iova()
196 mapped->iova = iova_bitmap_mapped_iova(bitmap); in iova_bitmap_get()
236 struct iova_bitmap *iova_bitmap_alloc(unsigned long iova, size_t length, in iova_bitmap_alloc() argument
252 bitmap->iova = iova; in iova_bitmap_alloc()
254 mapped->iova = iova; in iova_bitmap_alloc()
312 unsigned long max_iova = bitmap->iova + bitmap->length - 1; in iova_bitmap_mapped_length()
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| /Linux-v6.1/drivers/gpu/drm/msm/ |
| D | msm_iommu.c | 35 unsigned long iova, phys_addr_t paddr, in calc_pgsize() argument
41 unsigned long addr_merge = paddr | iova; in calc_pgsize()
71 if ((iova ^ paddr) & (pgsize_next - 1)) in calc_pgsize()
89 static int msm_iommu_pagetable_unmap(struct msm_mmu *mmu, u64 iova, in msm_iommu_pagetable_unmap() argument
98 pgsize = calc_pgsize(pagetable, iova, iova, size, &count); in msm_iommu_pagetable_unmap()
100 unmapped = ops->unmap_pages(ops, iova, pgsize, count, NULL); in msm_iommu_pagetable_unmap()
104 iova += unmapped; in msm_iommu_pagetable_unmap()
113 static int msm_iommu_pagetable_map(struct msm_mmu *mmu, u64 iova, in msm_iommu_pagetable_map() argument
119 u64 addr = iova; in msm_iommu_pagetable_map()
143 msm_iommu_pagetable_unmap(mmu, iova, addr - iova); in msm_iommu_pagetable_map()
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| /Linux-v6.1/drivers/vdpa/vdpa_user/ |
| D | iova_domain.c | 104 u64 iova, u64 size, u64 paddr) in vduse_domain_map_bounce_page() argument
107 u64 last = iova + size - 1; in vduse_domain_map_bounce_page()
109 while (iova <= last) { in vduse_domain_map_bounce_page()
110 map = &domain->bounce_maps[iova >> PAGE_SHIFT]; in vduse_domain_map_bounce_page()
118 iova += PAGE_SIZE; in vduse_domain_map_bounce_page()
124 u64 iova, u64 size) in vduse_domain_unmap_bounce_page() argument
127 u64 last = iova + size - 1; in vduse_domain_unmap_bounce_page()
129 while (iova <= last) { in vduse_domain_unmap_bounce_page()
130 map = &domain->bounce_maps[iova >> PAGE_SHIFT]; in vduse_domain_unmap_bounce_page()
132 iova += PAGE_SIZE; in vduse_domain_unmap_bounce_page()
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| /Linux-v6.1/drivers/iommu/amd/ |
| D | io_pgtable_v2.c | 141 static u64 *v2_alloc_pte(u64 *pgd, unsigned long iova, in v2_alloc_pte() argument
149 pte = &pgd[PM_LEVEL_INDEX(level, iova)]; in v2_alloc_pte()
150 iova = PAGE_SIZE_ALIGN(iova, PAGE_SIZE); in v2_alloc_pte()
181 pte = &pte[PM_LEVEL_INDEX(level, iova)]; in v2_alloc_pte()
205 unsigned long iova, unsigned long *page_size) in fetch_pte() argument
211 pte = &pgtable->pgd[PM_LEVEL_INDEX(level, iova)]; in fetch_pte()
222 pte = &pte[PM_LEVEL_INDEX(level - 1, iova)]; in fetch_pte()
242 static int iommu_v2_map_pages(struct io_pgtable_ops *ops, unsigned long iova, in iommu_v2_map_pages() argument
251 unsigned long o_iova = iova; in iommu_v2_map_pages()
265 pte = v2_alloc_pte(pdom->iop.pgd, iova, map_size, &updated); in iommu_v2_map_pages()
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| /Linux-v6.1/drivers/gpu/drm/etnaviv/ |
| D | etnaviv_mmu.c | 17 unsigned long iova, size_t size) in etnaviv_context_unmap() argument
22 if (!IS_ALIGNED(iova | size, pgsize)) { in etnaviv_context_unmap()
24 iova, size, pgsize); in etnaviv_context_unmap()
29 unmapped_page = context->global->ops->unmap(context, iova, in etnaviv_context_unmap()
34 iova += unmapped_page; in etnaviv_context_unmap()
40 unsigned long iova, phys_addr_t paddr, in etnaviv_context_map() argument
43 unsigned long orig_iova = iova; in etnaviv_context_map()
48 if (!IS_ALIGNED(iova | paddr | size, pgsize)) { in etnaviv_context_map()
50 iova, &paddr, size, pgsize); in etnaviv_context_map()
55 ret = context->global->ops->map(context, iova, paddr, pgsize, in etnaviv_context_map()
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